Occasional Papers of the Museum of Zoology 21 



1^5. Hylocichla ustulata swaiiisoiii. Olive-backed Thrusli. 

 — Recorded from the hardwoods, July i-ii, 191 1. In 1915. 

 the species was observed in the birches and aspens on July 3. 

 17, and August 20. 



i2C\ Hylocichla i:;iittafa pallasi. Hermit Thrush -—This 

 is the most common thrush of the region. The writers found 

 it in the hardwoods, liirches, aspens and at the edge of the bogs 



127. Plaiicstictts niii:;ratoriits iiiigratoriiis. American 

 Robin. — Rather common in all habitats. 



128. Sialia sialis sialis. Bluebird. — Common in culi'vated 

 areas, birches, aspens and hardwoods. In 191 5, the\ were 

 nesting in the old pine stnl;s on the brush covered plain. 



